Facts and Figures Population* 277 417 Retail purchasing power* 5 918 EUR/Einwohner/Jahr Labour market General Unemployment rate* 4,30 % Labour - total* 102 330 person employed Labour by job specification Labour - expert* 10 % Labour - specialist* 13 % Labour - skilled worker* 57 % Labour - helper* 21 % Gross salary by job specification Gross salary - expert* 6 150 €/month Gross salary - specialist* 4 808 €/month Gross salary - skilled worker* 3 795 €/month Gross salary - helper* 3 074 €/month Area information Types of use District area* 1 319,42 km² Industrial and commercial area* 1180 ha Residential building area* 4890 ha Agricultural area* 29 ha Location in Germany District with all municipalities Contact My|BusinessLocation Kundenservice Website